neoclock/startup/startup_stm32f30x.s

/**
  ******************************************************************************
  * @file      startup_stm32f30x.s
  * @author    MCD Application Team
  * @version   V1.1.1
  * @date      28-March-2014
  * @brief     STM32F30x Devices vector table for RIDE7 toolchain. 
  *            This module performs:
  *                - Set the initial SP
  *                - Set the initial PC == Reset_Handler,
  *                - Set the vector table entries with the exceptions ISR address
  *                - Configure the clock system and the external SRAM mounted on 
  *                  STM3230C-EVAL board to be used as data memory (optional, 
  *                  to be enabled by user)
  *                - Branches to main in the C library (which eventually
  *                  calls main()).
  *            After Reset the Cortex-M4 processor is in Thread mode,
  *            priority is Privileged, and the Stack is set to Main.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */
    
.syntax unified
.cpu cortex-m4
.fpu softvfp
.thumb

.global  g_pfnVectors
.global  Default_Handler

/* start address for the initialization values of the .data section. 
defined in linker script */
.word  _sidata
/* start address for the .data section. defined in linker script */  
.word  _sdata
/* end address for the .data section. defined in linker script */
.word  _edata
/* start address for the .bss section. defined in linker script */
.word  _sbss
/* end address for the .bss section. defined in linker script */
.word  _ebss
/* stack used for SystemInit_ExtMemCtl; always internal RAM used */

/**
 * @brief  This is the code that gets called when the processor first
 *          starts execution following a reset event. Only the absolutely
 *          necessary set is performed, after which the application
 *          supplied main() routine is called. 
 * @param  None
 * @retval : None
*/

.section  .text.Reset_Handler
.weak  Reset_Handler
.type  Reset_Handler, %function
Reset_Handler:  

    /* Copy the data segment initializers from flash to SRAM */  
    movs  r1, #0
    b  LoopCopyDataInit

CopyDataInit:
    ldr  r3, =_sidata
    ldr  r3, [r3, r1]
    str  r3, [r0, r1]
    adds  r1, r1, #4
    
LoopCopyDataInit:
    ldr  r0, =_sdata
    ldr  r3, =_edata
    adds  r2, r0, r1
    cmp  r2, r3
    bcc  CopyDataInit
    ldr  r2, =_sbss
    b  LoopFillZerobss
/* Zero fill the bss segment. */  
FillZerobss:
    movs  r3, #0
    str  r3, [r2], #4
    
LoopFillZerobss:
    ldr  r3, = _ebss
    cmp  r2, r3
    bcc  FillZerobss

/* Call the clock system intitialization function.*/
    bl  SystemInit   
/* Call the application's entry point.*/
    bl  main
    bx  lr    
    .size  Reset_Handler, .-Reset_Handler

/**
 * @brief  This is the code that gets called when the processor receives an 
 *         unexpected interrupt.  This simply enters an infinite loop, preserving
 *         the system state for examination by a debugger.
 * @param  None     
 * @retval None       
*/
    .section  .text.Default_Handler,"ax",%progbits
Default_Handler:
Infinite_Loop:
    b  Infinite_Loop
    .size  Default_Handler, .-Default_Handler
/******************************************************************************
*
* The minimal vector table for a Cortex M4. Note that the proper constructs
* must be placed on this to ensure that it ends up at physical address
* 0x0000.0000.
* 
*******************************************************************************/
    .section  .isr_vector,"a",%progbits
    .type  g_pfnVectors, %object
    .size  g_pfnVectors, .-g_pfnVectors
    
    
g_pfnVectors:
	.word	_estack
	.word	Reset_Handler
	.word	NMI_Handler
	.word	HardFault_Handler
	.word	MemManage_Handler
	.word	BusFault_Handler
	.word	UsageFault_Handler
	.word	0
	.word	0
	.word	0
	.word	0
	.word	SVC_Handler
	.word	DebugMon_Handler
	.word	0
	.word	PendSV_Handler
	.word	SysTick_Handler
	.word	WWDG_IRQHandler
	.word	PVD_IRQHandler
	.word	TAMPER_STAMP_IRQHandler
	.word	RTC_WKUP_IRQHandler
	.word	FLASH_IRQHandler
	.word	RCC_IRQHandler
	.word	EXTI0_IRQHandler
	.word	EXTI1_IRQHandler
	.word	EXTI2_TS_IRQHandler
	.word	EXTI3_IRQHandler
	.word	EXTI4_IRQHandler
	.word	DMA1_Channel1_IRQHandler
	.word	DMA1_Channel2_IRQHandler
	.word	DMA1_Channel3_IRQHandler
	.word	DMA1_Channel4_IRQHandler
	.word	DMA1_Channel5_IRQHandler
	.word	DMA1_Channel6_IRQHandler
	.word	DMA1_Channel7_IRQHandler
	.word	ADC1_2_IRQHandler
	.word	USB_HP_CAN1_TX_IRQHandler
	.word	USB_LP_CAN1_RX0_IRQHandler
	.word	CAN1_RX1_IRQHandler
	.word	CAN1_SCE_IRQHandler
	.word	EXTI9_5_IRQHandler
	.word	TIM1_BRK_TIM15_IRQHandler
	.word	TIM1_UP_TIM16_IRQHandler
	.word	TIM1_TRG_COM_TIM17_IRQHandler
	.word	TIM1_CC_IRQHandler
	.word	TIM2_IRQHandler
	.word	TIM3_IRQHandler
	.word	TIM4_IRQHandler
	.word	I2C1_EV_IRQHandler
	.word	I2C1_ER_IRQHandler
	.word	I2C2_EV_IRQHandler
	.word	I2C2_ER_IRQHandler
	.word	SPI1_IRQHandler
	.word	SPI2_IRQHandler
	.word	USART1_IRQHandler
	.word	USART2_IRQHandler
	.word	USART3_IRQHandler
	.word	EXTI15_10_IRQHandler
	.word	RTC_Alarm_IRQHandler
	.word	USBWakeUp_IRQHandler
	.word	TIM8_BRK_IRQHandler
	.word	TIM8_UP_IRQHandler
	.word	TIM8_TRG_COM_IRQHandler
	.word	TIM8_CC_IRQHandler
	.word	ADC3_IRQHandler
	.word	0
	.word	0
	.word	0
	.word	SPI3_IRQHandler
	.word	UART4_IRQHandler
	.word	UART5_IRQHandler
	.word	TIM6_DAC_IRQHandler
	.word	TIM7_IRQHandler
	.word	DMA2_Channel1_IRQHandler
	.word	DMA2_Channel2_IRQHandler
	.word	DMA2_Channel3_IRQHandler
	.word	DMA2_Channel4_IRQHandler
	.word	DMA2_Channel5_IRQHandler
	.word	ADC4_IRQHandler
	.word	0
	.word	0
	.word	COMP1_2_3_IRQHandler
	.word	COMP4_5_6_IRQHandler
	.word	COMP7_IRQHandler
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.word	USB_HP_IRQHandler
	.word	USB_LP_IRQHandler
	.word	USBWakeUp_RMP_IRQHandler
	.word	0
	.word	0
	.word	0
	.word	0
	.word	FPU_IRQHandler

/*******************************************************************************
*
* Provide weak aliases for each Exception handler to the Default_Handler.
* As they are weak aliases, any function with the same name will override
* this definition.
*
*******************************************************************************/

    .weak	NMI_Handler
	.thumb_set NMI_Handler,Default_Handler

    .weak	HardFault_Handler
	.thumb_set HardFault_Handler,Default_Handler

    .weak	MemManage_Handler
	.thumb_set MemManage_Handler,Default_Handler

    .weak	BusFault_Handler
	.thumb_set BusFault_Handler,Default_Handler

	.weak	UsageFault_Handler
	.thumb_set UsageFault_Handler,Default_Handler

	.weak	SVC_Handler
	.thumb_set SVC_Handler,Default_Handler

	.weak	DebugMon_Handler
	.thumb_set DebugMon_Handler,Default_Handler

	.weak	PendSV_Handler
	.thumb_set PendSV_Handler,Default_Handler

	.weak	SysTick_Handler
	.thumb_set SysTick_Handler,Default_Handler

	.weak	WWDG_IRQHandler
	.thumb_set WWDG_IRQHandler,Default_Handler

	.weak	PVD_IRQHandler
	.thumb_set PVD_IRQHandler,Default_Handler

	.weak	TAMPER_STAMP_IRQHandler
	.thumb_set TAMPER_STAMP_IRQHandler,Default_Handler

	.weak	RTC_WKUP_IRQHandler
	.thumb_set RTC_WKUP_IRQHandler,Default_Handler

	.weak	FLASH_IRQHandler
	.thumb_set FLASH_IRQHandler,Default_Handler

	.weak	RCC_IRQHandler
	.thumb_set RCC_IRQHandler,Default_Handler

	.weak	EXTI0_IRQHandler
	.thumb_set EXTI0_IRQHandler,Default_Handler

	.weak	EXTI1_IRQHandler
	.thumb_set EXTI1_IRQHandler,Default_Handler

	.weak	EXTI2_TS_IRQHandler
	.thumb_set EXTI2_TS_IRQHandler,Default_Handler

	.weak	EXTI3_IRQHandler
	.thumb_set EXTI3_IRQHandler,Default_Handler

	.weak	EXTI4_IRQHandler
	.thumb_set EXTI4_IRQHandler,Default_Handler

	.weak	DMA1_Channel1_IRQHandler
	.thumb_set DMA1_Channel1_IRQHandler,Default_Handler

	.weak	DMA1_Channel2_IRQHandler
	.thumb_set DMA1_Channel2_IRQHandler,Default_Handler

	.weak	DMA1_Channel3_IRQHandler
	.thumb_set DMA1_Channel3_IRQHandler,Default_Handler

	.weak	DMA1_Channel4_IRQHandler
	.thumb_set DMA1_Channel4_IRQHandler,Default_Handler

	.weak	DMA1_Channel5_IRQHandler
	.thumb_set DMA1_Channel5_IRQHandler,Default_Handler

	.weak	DMA1_Channel6_IRQHandler
	.thumb_set DMA1_Channel6_IRQHandler,Default_Handler

	.weak	DMA1_Channel7_IRQHandler
	.thumb_set DMA1_Channel7_IRQHandler,Default_Handler

	.weak	ADC1_2_IRQHandler
	.thumb_set ADC1_2_IRQHandler,Default_Handler

	.weak	USB_HP_CAN1_TX_IRQHandler
	.thumb_set USB_HP_CAN1_TX_IRQHandler,Default_Handler

	.weak	USB_LP_CAN1_RX0_IRQHandler
	.thumb_set USB_LP_CAN1_RX0_IRQHandler,Default_Handler

	.weak	CAN1_RX1_IRQHandler
	.thumb_set CAN1_RX1_IRQHandler,Default_Handler

	.weak	CAN1_SCE_IRQHandler
	.thumb_set CAN1_SCE_IRQHandler,Default_Handler

	.weak	EXTI9_5_IRQHandler
	.thumb_set EXTI9_5_IRQHandler,Default_Handler

	.weak	TIM1_BRK_TIM15_IRQHandler
	.thumb_set TIM1_BRK_TIM15_IRQHandler,Default_Handler

	.weak	TIM1_UP_TIM16_IRQHandler
	.thumb_set TIM1_UP_TIM16_IRQHandler,Default_Handler

	.weak	TIM1_TRG_COM_TIM17_IRQHandler
	.thumb_set TIM1_TRG_COM_TIM17_IRQHandler,Default_Handler

	.weak	TIM1_CC_IRQHandler
	.thumb_set TIM1_CC_IRQHandler,Default_Handler

	.weak	TIM2_IRQHandler
	.thumb_set TIM2_IRQHandler,Default_Handler

	.weak	TIM3_IRQHandler
	.thumb_set TIM3_IRQHandler,Default_Handler

	.weak	TIM4_IRQHandler
	.thumb_set TIM4_IRQHandler,Default_Handler

	.weak	I2C1_EV_IRQHandler
	.thumb_set I2C1_EV_IRQHandler,Default_Handler

	.weak	I2C1_ER_IRQHandler
	.thumb_set I2C1_ER_IRQHandler,Default_Handler

	.weak	I2C2_EV_IRQHandler
	.thumb_set I2C2_EV_IRQHandler,Default_Handler

	.weak	I2C2_ER_IRQHandler
	.thumb_set I2C2_ER_IRQHandler,Default_Handler

	.weak	SPI1_IRQHandler
	.thumb_set SPI1_IRQHandler,Default_Handler

	.weak	SPI2_IRQHandler
	.thumb_set SPI2_IRQHandler,Default_Handler

	.weak	USART1_IRQHandler
	.thumb_set USART1_IRQHandler,Default_Handler

	.weak	USART2_IRQHandler
	.thumb_set USART2_IRQHandler,Default_Handler

	.weak	USART3_IRQHandler
	.thumb_set USART3_IRQHandler,Default_Handler

	.weak	EXTI15_10_IRQHandler
	.thumb_set EXTI15_10_IRQHandler,Default_Handler

	.weak	RTC_Alarm_IRQHandler
	.thumb_set RTC_Alarm_IRQHandler,Default_Handler

	.weak	USBWakeUp_IRQHandler
	.thumb_set USBWakeUp_IRQHandler,Default_Handler

	.weak	TIM8_BRK_IRQHandler
	.thumb_set TIM8_BRK_IRQHandler,Default_Handler

	.weak	TIM8_UP_IRQHandler
	.thumb_set TIM8_UP_IRQHandler,Default_Handler

	.weak	TIM8_TRG_COM_IRQHandler
	.thumb_set TIM8_TRG_COM_IRQHandler,Default_Handler

	.weak	TIM8_CC_IRQHandler
	.thumb_set TIM8_CC_IRQHandler,Default_Handler

	.weak	ADC3_IRQHandler
	.thumb_set ADC3_IRQHandler,Default_Handler

	.weak	SPI3_IRQHandler
	.thumb_set SPI3_IRQHandler,Default_Handler

	.weak	UART4_IRQHandler
	.thumb_set UART4_IRQHandler,Default_Handler

	.weak	UART5_IRQHandler
	.thumb_set UART5_IRQHandler,Default_Handler

	.weak	TIM6_DAC_IRQHandler
	.thumb_set TIM6_DAC_IRQHandler,Default_Handler

	.weak	TIM7_IRQHandler
	.thumb_set TIM7_IRQHandler,Default_Handler

	.weak	DMA2_Channel1_IRQHandler
	.thumb_set DMA2_Channel1_IRQHandler,Default_Handler

	.weak	DMA2_Channel2_IRQHandler
	.thumb_set DMA2_Channel2_IRQHandler,Default_Handler

	.weak	DMA2_Channel3_IRQHandler
	.thumb_set DMA2_Channel3_IRQHandler,Default_Handler

	.weak	DMA2_Channel4_IRQHandler
	.thumb_set DMA2_Channel4_IRQHandler,Default_Handler

	.weak	DMA2_Channel5_IRQHandler
	.thumb_set DMA2_Channel5_IRQHandler,Default_Handler

	.weak	ADC4_IRQHandler
	.thumb_set ADC4_IRQHandler,Default_Handler	
	
	.weak	COMP1_2_3_IRQHandler
	.thumb_set COMP1_2_3_IRQHandler,Default_Handler
	
	.weak	COMP4_5_6_IRQHandler
	.thumb_set COMP4_5_6_IRQHandler,Default_Handler
	
	.weak	COMP7_IRQHandler
	.thumb_set COMP7_IRQHandler,Default_Handler	
	
	.weak	USB_HP_IRQHandler
	.thumb_set USB_HP_IRQHandler,Default_Handler
	
	.weak	USB_LP_IRQHandler
	.thumb_set USB_LP_IRQHandler,Default_Handler
	
	.weak	USBWakeUp_RMP_IRQHandler
	.thumb_set USBWakeUp_RMP_IRQHandler,Default_Handler
	
	.weak	FPU_IRQHandler
	.thumb_set FPU_IRQHandler,Default_Handler
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/